282 AGRICULTURAL EXPERIMENT STATION. [Jan. 



5. Analyses, etc. — Continued. 



Cotton-hull Ashes. 

 [Three samples, sent on from Agawam, Mass.] 



* Not determined. 



Ivory AsJiee. 

 [Sent on from Springfield, Mass.] 



Moisture at 100° C, . 



Potassium oxide, .... 



Calcium oxide, .... 



Magnesium oxide, 



Ferric and aluminic oxides, . 



Total lihosphoric acid, . 



Soluble phosphoric acid. 



Insoluble matter (before calcinatimi), 



Insoluble matter (after calcination), 



Tor Cent. 



1.75 

 2.44 

 2.70 

 0.83 

 2.33 

 2.05 

 0.19 

 89.14 

 71.48 



Lime-kiln Ashes. 



[Sent on from Sundcrhmd, Mass.] 



Per Cent. 



Moisture at 100° C, 0.00 



Potassium oxide, 2.12 



Calcium oxide, 56 . 28 



Phosphoric acid, 1-21 



Insoluljlo matter (before calcination), 15.11 



Insoluble matter (after calcination) , 12.63 



